Examlex
To join tables, simply enumerate the tables in the FROM clause of the SELECT statement. The DBMS will create a Cartesian product of every table in the FROM clause. To get the correct results, you need to select the rows in which the common attribute values do not match.
Transmission
The process by which genetic or infectious agents are passed from one organism to another or from one part of the body to another.
Reducing Stressors
The process or practice of identifying, avoiding, or altering stress-inducing factors in one's life to decrease stress levels and improve well-being.
Health Psychology
Any application of psychological methods and theories to understand the origins of disease, individual responses to disease, and the dimensions and determinants of good health.
Tertiary Prevention
A type of prevention practised after suffering or disability from the disease is being experienced, with the goal of preventing further deterioration. See also primary prevention and secondary prevention.
Q10: In a DDBMS, _ occurs to determine
Q11: Assume you are using the INTERSECT operator
Q16: Composite keys are useful as identifiers of
Q36: One of the advantages of a DDBMS
Q36: A statement-level trigger is assumed if you
Q40: A(n) _ database supports a relatively small
Q63: Entity subtypes do not inherit the relationships
Q80: Normalization represents a micro view of the
Q84: _ relationships cannot be implemented as such
Q99: Coding, testing, and debugging are part of